A249835 Coefficients related to admissible r-tuples (see Link).

0, 3, 15, 41, 84, 153, 247, 367, 523, 721, 961, 1251, 1588, 1983, 2437, 2963, 3548, 4219, 4954, 5761

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Cristian Cobeli, Alexandru Zaharescu, On the geometry behind a recurrent relation, arXiv:1411.1321 [math.NT], 2014 (see Introduction).

Crossrefs

Sequence in context: A298884 A298655 A299608 * A295938 A096742 A012256

Adjacent sequences: A249832 A249833 A249834 * A249836 A249837 A249838

Keyword

nonn,more

Author

Michel Marcus, Nov 07 2014

Status

approved